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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2013 May 30 1239 UTC

Vorhersage des SIDC

Sonneneruptionen

Eruptive (C-class flares expected, probability >=50%)

Geomagnetismus

Active conditions expected (A>=20 or K=4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
30 May 2013	110	002
31 May 2013	110	031
01 Jun 2013	110	026

Bulletin

Solar activity was low during the past 24 hours. There was only one C2.8-class flare originating from a new active region NOAA AR 1760, which just rotated behind the east limb. Catania regions 82 and 83 (resp NOAA AR 1756 and 1755) have a simple magnetic beta configuration and are further decreasing in size. No Earth directed CMEs are detected. C-class flaring conditions are expected for the next 48 hours, mainly originating from NOAA AR 1760. The solar wind further slowed down to a speed of 400 km/s. The interplanetary magnetic field is stable with a magnitude of less than 5 nT. Geomagnetic conditions are quiet (local K<3 at Dourbes). This situation is expected to remain so for the next few hours till the arrival of the fast flow from the coronal hole in the centre of the solar disk. This might result in geomagnetically active to minor storm levels (K= 4 to 5).

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 052, basierend auf 08 Stationen.

Solarindizes für den 29 May 2013

Wolf-Zahl Catania	086
10cm Solarflux	107
AK Chambon La Forêt	005
AK Wingst	002
Geschätzer Ap-Wert	002
Geschätzte internationale Sonnenfleckenzahl	052 - Basierend auf 13 Stationen

Zusammenfassung auffälliger Ereignisse

Zur Verfügung gestellt vom Solar Influences Data Analysis Center© - SIDC - Verarbeitet von SpaceWeatherLive

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